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nir/spirv: Stop wrapping carry/borrow in b2i

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The upstream versions now return an integer like GLSL/SPIR-V want.
This commit is contained in:
Jason Ekstrand 2016-01-11 17:02:27 -08:00
parent dee09d7393
commit c381906bbd
1 changed files with 2 additions and 4 deletions
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6
src/glsl/nir/spirv/vtn_alu.c
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@ -309,15 +309,13 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
case SpvOpIAddCarry:
assert(glsl_type_is_struct(val->ssa->type));
val->ssa->elems[0]->def = nir_iadd(&b->nb, src[0], src[1]);
val->ssa->elems[1]->def =
nir_b2i(&b->nb, nir_uadd_carry(&b->nb, src[0], src[1]));
val->ssa->elems[1]->def = nir_uadd_carry(&b->nb, src[0], src[1]);
return;
case SpvOpISubBorrow:
assert(glsl_type_is_struct(val->ssa->type));
val->ssa->elems[0]->def = nir_isub(&b->nb, src[0], src[1]);
val->ssa->elems[1]->def =
nir_b2i(&b->nb, nir_usub_borrow(&b->nb, src[0], src[1]));
val->ssa->elems[1]->def = nir_usub_borrow(&b->nb, src[0], src[1]);
return;
case SpvOpUMulExtended: